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bio exam 1 chp 2

Terms in this set (74)

sugars
polysaccharides( covalent bonding)
fatty acids
fats, lipids, membranes
amino acids
proteins
nucleotides
nucleic acids
formation of macromolecules
requires energy : endergonic
-subunits added to growing chain by dehydration synthesis.
reverse reaction:hydrolysis
formation of saccharides
condensation of two monosacchrdies
-forms glcosidic bond
triacylglcerols
fatty acids are stored as energy reserves
through an ester linkage to glycerol
-saturated fats are stuck together
unsaturated fatty acids
-cis do not clog vessels
fatty acid isomers
oleic acid(cis unsaturated)
elaidic acid(trans unsaturated)
-lipase cannot break down trans fat
phospholipids
hydrophilic phosphate head, two hydrophobic fatty acid tails
(usually cis and trans)
alanine
simplest amino acid
polypeptide
peptide bonds
ATP
adenosine triphosphate
ribose+adenine = adenosine
DNA
phosphorus bond
cAMP
cyclic adenosine monphosphate
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